Vick's starting chances

When it was reported on Monday that the Philadelphia Eagles had reached an agreement with Michael Vick that would bring him back to the roster for 2013, there were two immediate reactions: one, this means he'll have a shot to be the team's starter in Year One of the Chip Kelly Experience, and two, the supply of starting-caliber QBs on the market this offseason has been reduced by one, thereby increasing demand for players like Alex Smith, Matt Flynn and Matt Moore. But what are the chances that Vick actually wins the job?